Analog input board component module REF620

¥56,983.00

External connections:
• Excitation current to the load cells
• 2 or 4 analog inputs for load cell signals
• 4 analog outputs, voltage or current
• 8 digital inputs for control signals
• 8 digital outputs
• +24 V supply for external units, max 0.5 A
• Ethernet connection
• Service and multiple control units
• 2 serial interfaces of type RS-232 for
external displays, control, etc.

Model:REF620

Category: SKU: ABB REF620 Tag:
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                E-mail：geabbdcs@gmail.com
Contacts：kelly CHEN

Description

Analog input board component module REF620

Analog input board component module REF620

The phase discontinuity protection (PDNPSTOC1) provides protection for interruptions in the normal three-phase load supply, for example, in downed conductor situations.

The operate signal of the phase discontinuity protection is connected to the Master Trip and also to an alarm LED and the disturbance recorder.

The thermal overload protection (T1PTTR1) provides indication on overload situations. The operate signal of the thermal overload protection is connected to the Master Trip and also to an alarm LED. LED 4 is used for the phase discontinuity protection operate indication, the same as for negative sequence overcurrent protection operate indication, and LED 5 is used for the thermal overload protection alarm indication.

The breaker failure protection (CCBRBRF1) is initiated via the start input by a number of different protection stages in the IED. The breaker failure protection function offers different operating modes associated with the circuit breaker position and the measured phase and residual currents. The breaker failure protection has two operating outputs: TRRET and TRBU.

The TRRET operate output is used for retripping its own breaker through the Master Trip 2. The TRBU output is used to give a back-up trip to the breaker feeding upstream. For this purpose, the TRBU operate output signal is connected to the output PO2 (X100: 8-9). LED 6 is used for back-up (TRBU) operate indication.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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3. Returned products must have all original packaging and be in good condition.

 

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